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charle [14.2K]
2 years ago
14

What is the measure of the missing angle? 40 90

Mathematics
2 answers:
Lyrx [107]2 years ago
8 0

Answer:

50°

Step-by-step explanation:

I am assuming that the shape is a right triangle.

All interior angles of a triangle add up to 180°.

x + 40 + 90 = 180\\\rule{150}{0.5}\\x + 130 = 180\\\\x + 130 - 130 = 180 - 130\\\\\boxed{x = 50}

The missing angle should be 50°.

Hope this helps.

sergiy2304 [10]2 years ago
6 0

Answer:

\boxed{50 }

Step-by-step explanation:

<h2><em>What is a Triangle?</em></h2>

<em>A triangle is the simplest polygon. It is a two-dimensional shape with three straight sides forming an interior, closed space. It has three interior angles. </em>

<em />

<em>1. Subtract the two known angles from 180° </em>

<em> </em>

<em> </em>

<em> </em>

<em>2. Plug the two angles into the formula and use algebra: </em>

<em />\boxed{a+b+c=180}

3. Subtract

\boxed{180-40 =140}

\boxed{140-90=50}

c=50

<em><u>Therefore, The Answer is 50</u></em>

<em> </em>

<em />

<h2><em />-TheAnimeGirl-<em /></h2>

<em />

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<h2>Answer</h2>

•Pic on the left

x = 8.36

y = 140.18°

• Pic on the right

x = 110°

<h2>Way to do</h2>

• This one for the pic on the left

#Since the total degree of a triangle is 180° and one of the side known 90° (L) so the rest must be 90° (180° - 90° = 90°)

#known that the other side of triangle degree is (5x - 2)° and 6x° so... u can find the x! :D

90 = (5x - 2) + 6x

90 = 11x - 2

90 + 2 = 11x

92 = 11x

x = 92 : 11

x = 8.36 (2 decimal places)

#Now you know the x, you can now find the degree

#degree of (5x - 2)

5x - 2 =

5(8.36) - 2 =

41.81 - 2 = 39.81

#Since the y° is in the other side of the line of degre 39.81°, you can find it by minus it with 180° (straight line with no degree is 180°)

180° - 39.81° = 140.18

•This one for the pic on the right

#Lol this one is easy. I already told you before that the straight line degree is 180° and you can find one of the side if you know one of the degree side, so you can find it.

# Also as i said before, total triangle degree is 360°

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Degree = 180° - 80° - 30° = 70°

#Now you can get x

x = 180° - 70° = 110°

<h2>For moderators that see this</h2>

#Moderators please don't be mean, dont delete my answers just for approval from your senior or just to get the biggest moderation daily rank. This answer is long, how can you just instanly delete it? :(

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